Hidden Desire Revealed

I've been married to my wonderful wife for over two decades now. We have a strong relationship built on trust and mutual respect. Recently, I discovered within myself a hidden desire for a dynamic that involves playfully pushing the boundaries of traditional roles. It's not about control or dominance in any negative sense; it’s more about the thrill of surrendering to the idea of being taken care of in certain moments. We've never tried anything explicit yet, but the thought alone is exhilarating and a bit terrifying. Is this something others explore within their long-term relationships? Any advice on how to approach my wife without scaring her off?